Quick answer: It may suit healthy adults who want a simple herbal routine, but it has real limits: the amount is not published, directions are described inconsistently, and we know of no clinical trial on the finished product.
What you get
A 60 mL dropper bottle of liquid with mullein extract, offered at $69 for one bottle plus shipping, $59 per bottle for three and $49 per bottle for six at the time of writing, with a 90-day money-back guarantee subject to terms. Confirm the current price, shipping and terms at checkout.
Pros
- Liquid drops, no pills
- One named ingredient
- Money-back guarantee, subject to terms
- Free shipping on larger packages per the seller
Cons
- Extract amount, ratio and carrier are not published on the seller’s page
- Directions are described in more than one way
- No clinical trial on the finished product that we know of
- Returns may require sending bottles back
Who may want to skip it
Anyone with breathing difficulty or a cough that has not been evaluated, anyone pregnant, nursing or under 18, anyone who avoids alcohol if the carrier contains it, and anyone taking medication without clinician advice.
Bottom line
Treat it as an optional add-on to clean air, activity and regular care. Read the safety review and the ingredients review.